edgyedificeeffect of gradeeffect of imperfect alignmenteffective areaeffective area of concreteeffective area of reinforcementeffective capacityeffective degree of saturationeffective densityeffective deptheffective draineffective flange widtheffective forceeffective gradienteffective grain diametereffective grain sizeeffective green timeeffective headeffective lengtheffective length factoreffective moduluseffective net areaeffective normal stresseffective outputeffective permeabilityeffective porosityeffective precepitationeffective pressureeffective radiuseffective rainfalleffective sheareffective sizeeffective size graineffective slendernesseffective snow melteffective soil stresseffective spaneffective specific weighteffective storageeffective stresseffective temperatureeffective throateffective unbraced column lengtheffective unit weighteffective velocityeffective water holding capacityeffective water useeffective well radiuseffective width